<template>
    <div class="search-box">
        <i class="icon-search"></i>
        <input ref="query" v-model="query"  class="box" :placeholder="placeholder" />
        <i @click="clear" v-show="query" class="icon-dismiss" ></i>
    </div>
</template>

<script type="text/ecmascript-6">
import { debounce,aaa } from "common/js/util"
export default {
  props: {
    placeholder: {
      type: String,
      default: "搜索歌曲、歌手"
    }
  },
  data() {
    return {
      query: ""
    };
  },
  methods: {
    clear() {
      this.query = "";
    },

    setQuery(query) {
        this.query=query
    },

    blur () {
        this.$refs.query.blur();
    }
  },
  
  created() {
    //   这里其实和写个watch()是一样的,但是可以延迟一点执行
    //   this.$watch('query',(newQuery)=>{
    //       this.$emit('query',newQuery)
    //   })
    this.$watch('query',debounce((newQuery)=>{
    
        console.log(newQuery)
        this.$emit('query',newQuery)
    },200))
  }
};
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
@import '~common/stylus/variable';

.search-box {
    display: flex;
    align-items: center;
    box-sizing: border-box;
    width: 100%;
    padding: 0 6px;
    height: 40px;
    background: $color-highlight-background;
    border-radius: 6px;

    .icon-search {
        font-size: 24px;
        color: $color-background;
    }

    .box {
        flex: 1;
        margin: 0 5px;
        line-height: 18px;
        background: $color-highlight-background;
        color: $color-text;
        font-size: $font-size-medium;

        &::placeholder {
            color: $color-text-d;
        }
    }

    .icon-dismiss {
        font-size: 16px;
        color: $color-background;
    }
}
</style>
